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Children and Families

What does CALIPER mean to me?

CALIPER participants providing samples

There are many sick children across Canada and around the world, and CALIPER offers one way for you to provide your support. By donating just a little bit of your blood to the CALIPER project, you will be helping doctors find out when a child is sick or decide what might help make a sick child feel better. It’s possible that someday your siblings, cousins, friends, or even you could get sick. If that happens, you know that your donation to the CALIPER project will help doctors make you, your family, and your friends feel healthy again.

What can I expect when I participate?

First, you’re scheduled for an appointment at a CALIPER clinic. These are held either at SickKids, or at an event held at a local school or a community organization. You (and your parent or guardian if you are under 16 years of age) will complete a questionnaire and sign a consent form either at home before you meet with us, or at the clinic on the day of your appointment.

At your appointment, a CALIPER volunteer will review your completed forms. You are now ready to provide a blood sample. The blood draw is performed by an experienced phlebotomist. The volume of blood taken varies with age, but ranges from 1 mL in infants to 10 mL in adolescents. To give you an idea of how much this is, 10 ml is roughly equal to two teaspoons.

How can I participate?

Right now, most of the children and adolescents who donate to CALIPER are recruited through events that we hold at schools or community gatherings. Stay tuned to see if we’re planning an event at your school or in your community soon.

If there are no upcoming events in your area, you can get in touch with us directly to schedule an appointment at SickKids:

Alexandra Hall
Clinical Research Project Coordinator
The Hospital for Sick Children 
Room 5406 Black Wing
555 University Ave, 
Toronto, ON M5G 1X8
Email: alexandra.hall@sickkids.ca
Phone: 416-813-7654 ext 202673